diff --git a/pkgs/by-name/pg/pgformatter/package.nix b/pkgs/by-name/pg/pgformatter/package.nix
index 3833cf85004f..142acea85995 100644
--- a/pkgs/by-name/pg/pgformatter/package.nix
+++ b/pkgs/by-name/pg/pgformatter/package.nix
@@ -17,6 +17,9 @@ perlPackages.buildPerlPackage rec {
     hash = "sha256-OWw47okAs8x4Ri8+IJHPhy6YSkSN2sBlJ0v8h6GlhfU=";
   };
 
+  strictDeps = true;
+  __structuredAttrs = true;
+
   outputs = [ "out" ];
 
   makeMakerFlags = [ "INSTALLDIRS=vendor" ];